https://www.ecured.cu/index.php?title=Acelga&oldid=3529200
Beta vulgaris var. cicla - EcuRed
beta vulgaris var ciclaecured
https://www.rhs.org.uk/plants/387341/beta-vulgaris-subsp-cicla-var-flavescens-five-colour-silverbeet/details
Beta vulgaris subsp. cicla var. flavescens 'Five Colour Silverbeet' | chard 'Five Colour...
beta vulgarissubspciclavarflavescens
https://www.gardenersworld.com/plants/beta-vulgaris-subsp-cicla-var-flavescens-charlotte/
Beta vulgaris subsp. cicla var. flavescens 'Charlotte' | BBC Gardeners World Magazine
Plant profile of Beta vulgaris subsp. cicla var. flavescens 'Charlotte' on gardenersworld.com
bbc gardeners worldbeta vulgarissubspciclavar